Simple infrared Fourier transform spectrometer adapted to low light level and high-speed operation

Philippe Voge; Jerome Primot

doi:10.1117/1.601769

1 September 1998 Simple infrared Fourier transform spectrometer adapted to low light level and high-speed operation

Philippe Voge, Jerome Primot

Optical Engineering, Vol. 37, Issue 9, (September 1998). https://doi.org/10.1117/1.601769

The authors present a new concept for a spectrometer adapted to low light level, high-speed operation and low spectral resolution. It is based on a spatially modulated Mach-Zehnder Fourier transform interferometer, with a new arrangement to record the fringes. The interferogram is sensed by the use of a focal plane array tilted with respect to the fringe axis. This technique allows oversampling of the fringe pattern, which eliminates spectral aliasing that occurs with the conventional configuration. It extends the free spectral and dynamic range.

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Philippe Voge and Jerome Primot "Simple infrared Fourier transform spectrometer adapted to low light level and high-speed operation," Optical Engineering 37(9), (1 September 1998). https://doi.org/10.1117/1.601769

Published: 1 September 1998

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